Partial revert of 5f732128

Still some scrolling issues remain, much work is to be
done to properly fix it.
Disable hiding characters in the input
Disable compression on tree_channel.png

This causes some artifacts in the icon, none of the others seem to have
the problem
win32: Bump python to 3.4.0
win32: Powershell.exe absolutely needs "-File" when running scripts or else it parses arguments with spaces as separate parameters.
win32: Quote paths when invoking glib-compile-resources.exe

Also escape the trailing backslash in DataDir since otherwise it escapes the double-quote after it.
Fix three miscellaneous bugs in gtk_xtext_get_word()

	* Use utf8 functions for moving within string
	* Fix memory leak
	* Fix non-indent select problem
Correctly scroll down autojoined channels

Fixes #58
Improve handling scrollback when gui_tab_server==FALSE

Fixes #925.
Fix scrollback_load to deal with e.g. the output of /HELP

Fixes #928.
Merge pull request #929 from hexchat/928

Fix scrollback_load to deal with e.g. the output of /HELP
Add marker-line functionality for scrollback, instant seek.

Fixes #662.
Add account to Join event

Also reorganizes some logic. The account will usually be NULL unless
extended-join capability enabled.

Closes #934
win32: Fix python 3.4 check in installer
Add Xertion to network list

Closes #939
Fix whitespace...
Use glib to format filesize in dccgui
[Untested] Don't convert the result of g_get_user_name / g_get_real_name from locale to utf-8 on Windows. They return utf-8 already.